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Sanyo DVD-9501PR manual

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Table of contents for the manual

  • Page 1

    FILE NO. Service Manual R CONTENTS DVD Player DVD-9201 DVD-9501 DVD-9501KR DVD-9501PR DVD-9501PR PRODUCT CODE No. 137 108 04 9201(SS) 137 109 04 9501(SS) 137 109 06 9501KR(KR) 137 108 05 9501PR(US) 137 108 06 9501PR(CA) REFERENCE No. SM 5810237 Specifications ................................................................... 1 Laser beam safety pr[...]

  • Page 2

    - 1 - Playback system ..................... DVD-Video , Video CD , CD Playback standard .................. NTSC or PAL Laser ....................................... Semiconductor laser, wavelength 650/790nm Laser output (Continous wave max.) : 1 mW(DVD) , 0.5 mW(CD) Frequency range (digital audio) ................................................ 4 [...]

  • Page 3

    - 2 - DVD MECHANISM REPLACEMENT 1.Cautionary instructions in handling the assy (Safety instructions) Optical pickup The laser beam used in the pickup is classified as "class 2". Exposing your eyes or skin to the beam is harmful. Take care not to do so. (Caution against static electricity and leakage voltage) Ground securely the work table[...]

  • Page 4

    - 3 - MECHANISM REPLACEMENT FLOIL OIL G-2000B FLOIL OIL G-2000B 4. BASE MECHANISM PART Do not remove the pick-up from base mechanism because of adjustment difficulty. 3. TRAY PART MOL YKOTE EM-50L GREASE CDF-409 GREASE CDF-409 FLOIL OIL G-474B MOL YKOTE EM-50L MOL YKOTE EM-50L MOL YKOTE EM-50L MOL YKOTE EM-50L SILICON GREASE KS-64 1. TRAY AND BASE [...]

  • Page 5

    - 4 - MECHANISM OPERATION 3. Match the mark of GEAR 2 and mark of GEAR 3 , and then install the BOSS. 4. Turn the GEAR 1 counterclockwise, and then SLIDE move right side. 5. The GEAR 1 move from side to side. LOARDING GEAR MARKER MARKER TRA Y HOLE 6 7 8 9 1.How to setting the tray. 1. Move the SLIDE left side. 2. Match the Hole of GEAR 5 and Hole o[...]

  • Page 6

    - 5 - 1. General operation diagram (This is a basic general operation diagram) IC101 BU4066 IC100 LA9702 IC200 LC78661W IC550 LE28C1001 IC502 M51953 IC500 M37903S4CHP IC201 T224162B IC900 BA033 CN900 CN200 CN500 IC504 TC7SHU04FU REGULA TOR 9V (actuator) (motor) 5V (analog)  5Vd (digital)  3.3V ([...]

  • Page 7

    - 6 - 1 2 3 4 5 6 7 8 9 10 11 14 13 16 15 79 72 70 76 61 68 63 59 53 27 18 19 20 21 22 23 24 35 34 33 32 31 30 29 1 2 10 14 7 6 13 9 8 5 28 29 32 45 41 40 46 44 42 12 18 16 206 44 26 154 134 136 28 39 27 38 37 36 201 205 25 11 30 51 57 XHTRC DEFECT0 RFP1 TH TESBIAS HFLBIAS HFLBIAS TESBIAS TES HFL PCK PCK JV JITTER DETECTION CIRCUIT SLCBIAS LD[...]

  • Page 8

    - 7 - DVD P.W.BOARD OPERATION 3. Table of monitor signals (This is a basic table of monitor signals) A. Reference table for waveform are listed as below. Name TP label IC, CN Location Pin no. D escription FE TP101 IC100 2 5 Focus Error Signal(Analog) TE TP102 IC100 3 0 Trk Error Signal(Analog) RFN TP104 IC100 4 0 RF S i gnal(Analog) RFP TP105 IC100[...]

  • Page 9

    - 9 - - 8 - DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK) (This is a basic schematic diagram and signal check.) Top left zoon , There is the drawing which zoomed to 10,11 page. Top right zoon , There is the drawing which zoomed to 12,13 page. Bottom left zoon , There is the drawing which zoomed to 14,15 page. Bottom right zoon , There[...]

  • Page 10

    - 11 - - 10 - DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for top left) (This is a basic schematic diagram and signal check.)[...]

  • Page 11

    - 13 - - 12 - DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for top right) (This is a basic schematic diagram and signal check.)[...]

  • Page 12

    - 15 - - 14 - DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for bottom left) (This is a basic schematic diagram and signal check.)[...]

  • Page 13

    - 17 - - 16 - DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for bottom right) (This is a basic schematic diagram and signal check.)[...]

  • Page 14

    - 18 - DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK) A. A side (This is a basic wiring diagram and signal check.)[...]

  • Page 15

    - 19 - DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK) B. B side (This is a basic wiring diagram and signal check.)[...]

  • Page 16

    - 20 - DVD P.W.BOARD OPERATION(SIGNAL) A. RF Signal during play mode. RF RF RF of DVD disc RF of CD disc B. Defection Signal (Detection of level down signal) RF PH BH DEFECT RF PH BH DEFECT Scratched defect Interruption defect 1. RF and Defection Signal 2. Servo and Tray Control A. S-Curve signal by Focus search Zero cross point RF FDO FE RF FDO FE[...]

  • Page 17

    - 21 - DVD P.W.BOARD OPERATION(SIGNAL) B. Focus In and Focus Jump Cross point RF FDO FE Zero cross point Brake pulse Kick pulse RF FDO FE Focus In Focus Jump C. Tracking Servo RF TE a. TE (Tracking Error) Signal. TE Curve b. Track Jump Signal One Track Jump 42 Track Jump Out -> In[...]

  • Page 18

    - 22 - DVD P.W.BOARD OPERATION(SIGNAL) D. Sled Servo (Sled motor drive signal) RF TE TE SLDO SLDO Zoom RF E. Spindle Servo (Spindle motor drive signal) U V W SPD U U+ FG Spindle Drive (U, V, W) Spindle (W, W+, FG) F. Tray open and close CLOSE OPEN OPEN SW CLOSE SW CLOSE OPEN OPEN SW CLOSE SW Tray Close Tray Open[...]

  • Page 19

    - 23 - DVD P.W.BOARD OPERATION(SIGNAL) 3. Decorder RF EFMOUT SBIAS RF EFMOUT PCK 4.3218MHz (CD:Normal speed) RF, EFMOUT, SBAIS RF, EFMOUT, PCK 4. Reset Timing for Micom Cotroller Reset Timing 5. Anti-Defect Processing A. Disturbance by Defect RF TE Disturbance of tracking Defect RF TE FE DEFECT0 TE disturbance at Defect Suppressed disturbance by TE[...]

  • Page 20

    - 24 - DVD P.W.BOARD OPERATION(SIGNAL) B. Circuit block of Anti-Defect 6. Start-up program A. Disc type Identification a. In the case of DVD Dual Disc b. In the case of DVD Single Disc[...]

  • Page 21

    - 25 - DVD P.W.BOARD OPERATION(SIGNAL) c. In the case of CD Disc Spindle kick SPD FG 6 FG = 1 revolution Tm > 300ms B. Disc diameter identification SPDO FG 6 FG = 1 revolution Tm > 155 ms SPDO FG 6 FG = 1 revolution Tm < 155 ms a. In the case of 12cm Disc b. In the case of 8cm Disc c. In the case of NO Disc[...]

  • Page 22

    - 26 - DVD P.W.BOARD OPERATION(SIGNAL) 7. Adjustment (Auto Adjustment) A. SGC(Signal Gain Control) Adjustment B. Tracking Balance Adjustment Vref Zoom RF FDO TDO TE TE RF[...]

  • Page 23

    - 27 - DVD P.W.BOARD OPERATION(SIGNAL) C. Focus and Tracking Gain Adjustment Zoom RF FDO FE SPD FE FDO RF SPD a. Focus gain Adjustment b. Tracking Gain Adjustment Zoom RF FDO TDO TE TE TDO RF FDO[...]

  • Page 24

    - 28 - DVD START-UP PROGRAM FLOW CHART data:Tm D = 8cm D = 12cm NoDisc Spindle Ser vo Gain down D-type = CD D-type = D VD Dual D-type = D VD SGC D VD Mode SGC(La yer1) data:pk1&pk2 pk2 > Th0 D-type = D VD Dual F ofst Adj D VD Mode SGC(La yer0) NO Star t D-type : Disc T ype D-type = D VD Single 1 Star t Vref compensation Kick Spindle pk0 >[...]

  • Page 25

    - 29 - DVD START-UP PROGRAM FLOW CHART 2. Fundamental and additional auto adjustment[...]

  • Page 26

    - 31 - - 30 - AOUT O/AOUT1/A OUT2 AOUT O3 ACLK/LRCK/PCMCLK SRST IC816 LEVEL SHIFT (3V ->5V) VOUT1/2 VOUT3/4 VOUT5/6 STB LA TCH(ML) LA TCH(ML) SCLK1(MC) SCLK1(MC) X103(CLK)/X102(/OC) AD0-31 LA4-18 IC812 PST3627UR RESET LA0-3, PWE0-,ALE X104/X105 D VD0,D VD4 DSTB,DCLK D VD0-3 D VD5-7 SSPIN1 SSPCLK1 SSPOUT1 RSTP- SRST - RXD1 X1[...]